4 x DDR4 DIMM Slots. ASRock USB 3.1 Gen2. - ASRock Front Panel Type C USB 3.1 Gen2 Header (10 Gb/s). - ASRock Rear USB 3.1 Gen2 Type-A Ports (10 Gb/s). - ASRock Rear USB 3.1 Gen2 Type-C Port (10 Gb/s).
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